x=2(cot t),y=2(sin²t),用t表示dy/dx
x=2(cot t),y=2(sin²t),用t表示dy/dx
x=t^2+t y=ln(1+t) 求dy/dx
x=2t+cost y=t+e^t 求dy/dx
设x=e'sin t,y=e'cos t,求dy/dx.
求导:x=cos^4*t,y=sin^4*t,求dy/dx
x=2sin(t),y=cos(t+pie),求dy/dx,和d^2y/dx^2,在点(0,-1)
y= ∫[0,x](t-1)^3(t-2)dt,dy/dx(x=0)
求解dx/(x+t)=dy/(-y+t)=dt
x=t,y=t平方,求dx\dy
设x=t+arctan t+1,y=t的立方+6t-2,求dy/dx
求dy/dx,y=∫sin(t^2)dt由1/x积到根号x
求该函数对x的导数 y=∫ (1,-x ) sin(t^2) dt ,求dy/dx